POLINI Vespa Racing 57mm Stroke Crankshaft PX125, PX150, Cosa 125 MP3 The BGM crankshafts are made

The BGM crankshafts are made from quality forged materials

Piaggio Vespa Rollers  GTS 125 (2013-2017)

can be replaced seperately instead of complete casing assembly

ABS Ring is fitted to the front of the Wheel

POLINI Vespa Racing 57mm Stroke Crankshaft PX125, PX150, Cosa 125 MP3 The BGM crankshafts are madePOLINI Vespa Racing 57mm Stroke Crankshaft PX125, PX150, Cosa 125 The width of the sealing surface on the rotary vane cheek is 15. 8mm wide as on the original PX125 150 shaft. The PX200 version has here 16,8mm The extended inlet control angle results in a larger time cross section and allows a significant increase in power over the whole speed band. Very nice stable shaft which provides more bandwidth in every engine. disc valve stroke 57,0mm conrod